121213202033 has 12 divisors (see below), whose sum is σ = 153821578032. Its totient is φ = 94451845320.

The previous prime is 121213202017. The next prime is 121213202041. The reversal of 121213202033 is 330202312121.

It is not a de Polignac number, because 121213202033 - 2⁴ = 121213202017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121213201996 and 121213202014.

It is not an unprimeable number, because it can be changed into a prime (121213202233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112442135 + ... + 112443212.

It is an arithmetic number, because the mean of its divisors is an integer number (12818464836).

Almost surely, 2^121213202033 is an apocalyptic number.

It is an amenable number.

121213202033 is a deficient number, since it is larger than the sum of its proper divisors (32608375999).

121213202033 is a wasteful number, since it uses less digits than its factorization.

121213202033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224885372 (or 224885365 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121213202033 its reverse (330202312121), we get a palindrome (451415514154).

The spelling of 121213202033 in words is "one hundred twenty-one billion, two hundred thirteen million, two hundred two thousand, thirty-three".